Pith Number

pith:NKDS7CY3

pith:2019:NKDS7CY3RV2W2F5ASCVCME4EAS

not attested not anchored not stored refs pending

Reprogrammable Graphene-based Metasurface Mirror with Adaptive Focal Point for THz Imaging

Albert Cabellos-Aparicio, Eduard Alarc\'on, Kasra Rouhi, Mohammad Neshat, Reza Faraji-Dana, Sergi Abadal, Seyed Ehsan Hosseininejad

arxiv:1903.01871 v2 · 2019-03-04 · physics.optics

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NKDS7CY3RV2W2F5ASCVCME4EAS}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-17T23:51:56.931930Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6a872f8b1b8d756d17a090aa2613840494b87073070be09738daf1275ecea531

Aliases

arxiv: 1903.01871 · arxiv_version: 1903.01871v2 · doi: 10.48550/arxiv.1903.01871 · pith_short_12: NKDS7CY3RV2W · pith_short_16: NKDS7CY3RV2W2F5A · pith_short_8: NKDS7CY3

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/NKDS7CY3RV2W2F5ASCVCME4EAS \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 6a872f8b1b8d756d17a090aa2613840494b87073070be09738daf1275ecea531

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8433c4683175ccad81b074675fa14358fb5236ac63a6817eb1b6fc0000e2e5b3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2019-03-04T14:19:47Z",
    "title_canon_sha256": "31699e2f4be46265fa69f2248f7d7aa48cbe94c7e8f28a1c5d0e0eb34ab5591a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.01871",
    "kind": "arxiv",
    "version": 2
  }
}